R F Nigrelli

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Lymphocystis disease in Angelichthys

Authors: G M Smith | R F Nigrelli

Published in Zoologica, in 1937, in volume 22, issue 20, pages 293-296

Created: 2016-11-07, modified: 2025-12-17

doi:10.5962/p.203685

Lymphocystis in the Hogfish, Lachnolaimus maximus

Authors: R Weissenberg | R F Nigrelli | G M Smith

Published in Zoologica, in 1937, in volume 22, issue 22, pages 303-305

Created: 2016-11-07, modified: 2025-12-17

doi:10.5962/p.203687

The ability of the Saprolegniaceae to parasitize platyfish

Authors: Helen S Vishniac | R F Nigrelli

Published in Zoologica, in 1957, in volume 42, issue 11, pages 131-134

Created: 2016-11-07, modified: 2025-12-17

doi:10.5962/p.203393

The winter movements of the landlocked alewife, Pomolobus pseudoharengus (Wilson)

Authors: Charles M Breder | R F Nigrelli

Published in Zoologica, in 1936, in volume 21, issue 13, pages 165-175

Created: 2016-11-07, modified: 2025-12-17

doi:10.5962/p.203703

ON DISTOMUM VIBEX LINTON, WITH SPECIAL REFERENCE TO ITS SYSTEMATIC POSITION

Authors: H W Stunkard | R F Nigrelli

Published in Biol Bull, in 1930, in volume 58, pages 336-343

Created: 2010-01-06, modified: 2011-06-21

doi:10.2307/1537112

Trypanosomes from North America amphibians, with a description of Trypanosoma grylli Nigrelli (1944) from Acris gryllus (Le Conte)

Authors: Ross F Nigrelli

Published in Zoologica, in 1945, in volume 30, issue 5, pages 47-56

Created: 2016-12-19, modified: 2025-12-17

doi:10.5962/p.210842

Notes: External Parasites of the Electric Eel

Authors: Ross F Nigrelli

Published in Zoologica, in 1938, in volume 23, issue 9, pages 217

Created: 2016-11-07, modified: 2025-12-17

doi:10.5962/p.203660

Causes of diseases and death of fishes in captivity

Authors: Ross F Nigrelli

Published in Zoologica, in 1943, in volume 28, issue 22, pages 203-216

Created: 2016-11-07, modified: 2025-12-17

doi:10.5962/p.203561

Biometry of puffers and their parasites

Authors: Ross F Nigrelli | James W Atz

Published in Zoologica, in 1943, in volume 28, issue 1, pages 1-8

Created: 2016-11-23, modified: 2025-12-17

doi:10.5962/p.206626

The significance of differential locomotor activity as an index to the mass physiology of fishes

Authors: Charles M Breder | R F Nigrelli

Published in Zoologica, in 1938, in volume 23, issue 1, pages 1-29

Created: 2016-11-07, modified: 2025-12-17

doi:10.5962/p.203652

Spontaneous neoplasms in fishes. VI. Thyroid tumors in marine fishes

Authors: Ross F Nigrelli

Published in Zoologica, in 1952, in volume 37, issue 14, pages 185-189

Created: 2016-11-07, modified: 2025-12-17

doi:10.5962/p.203465

Spontaneous neoplasms in fishes. III. Lymphosarcoma in Astyanax and Esox

Authors: Ross F Nigrelli

Published in Zoologica, in 1947, in volume 32, issue 11, pages 101-108

Created: 2016-11-07, modified: 2025-12-17

doi:10.5962/p.203536

Hyperplastic epidermal disease in the bluegill sunfish, Lepomis macrochirus Rafinesque

Authors: Ross F Nigrelli

Published in Zoologica, in 1948, in volume 33, issue 8, pages 133-137

Created: 2016-11-07, modified: 2025-12-17

doi:10.5962/p.203506

Mortality statistics for specimens in the New York Aquarium, 1939

Authors: Ross F Nigrelli

Published in Zoologica, in 1940, in volume 25, issue 33, pages 525-552

Created: 2016-11-07, modified: 2025-12-17

doi:10.5962/p.203621

The effect of holothurin on leucocyte migration

Authors: B J Lasley | Ross F Nigrelli

Published in Zoologica, in 1971, in volume 56, issue 1, pages 1-12

Created: 2016-11-23, modified: 2025-12-17

doi:10.5962/p.206666

The effects of holothurin on fish, and mice with Sarcoma 180

Authors: Ross F Nigrelli

Published in Zoologica, in 1952, in volume 37, issue 8, pages 89-90

Created: 2016-11-07, modified: 2025-12-17

doi:10.5962/p.203461

The chromataphores of Fundulus heteroclitus in polarized light

Authors: A M Shanes | Ross F Nigrelli

Published in Zoologica, in 1941, in volume 26, issue 23, pages 237-240

Created: 2016-11-07, modified: 2025-12-17

doi:10.5962/p.203593

A spontaneous epithelioma in the platyfish, Xiphophorus (Platypoecilus) variatus

Authors: Olga Aronowitz | Ross F Nigrelli | Myron Gordon

Published in Zoologica, in 1951, in volume 36, issue 18, pages 239-242

Created: 2016-11-07, modified: 2025-12-17

doi:10.5962/p.203486

Spontaneous neoplasms in fishes. I. Osteochondroma in the jewelfish, Hemichromis bimaculatus

Authors: Ross F Nigrelli | Myron Gordon

Published in Zoologica, in 1946, in volume 31, issue 7, pages 89-92

Created: 2016-11-07, modified: 2025-12-17

doi:10.5962/p.203524

Studies on the genus Hirudinella, giant Trematodes of scombriform fishes

Authors: Ross F Nigrelli | Horace W Stunkard

Published in Zoologica, in 1947, in volume 31, issue 13, pages 185-196

Created: 2016-11-07, modified: 2025-12-17

doi:10.5962/p.203527

Endosphaera engelmanni Endoparasitic in Trichodina spheroidesi Infecting the puffer, Sphoeroides maculatus

Authors: Morton Padnos | Ross F Nigrelli

Published in Zoologica, in 1947, in volume 32, issue 19, pages 169-172

Created: 2016-11-07, modified: 2025-12-17

doi:10.5962/p.203543

Ectyonin, an antimicrobial agent from the sponge, Microciona prolifera Verrill

Authors: Ross F Nigrelli | S Jakowska | I Calveti

Published in Zoologica, in 1959, in volume 44, issue 13, pages 173-176

Created: 2016-11-07, modified: 2025-12-17

doi:10.5962/p.203372

A melanotic tumor in the silverside, Menidia beryllina peninsulae (Good and Bean)

Authors: Ross F Nigrelli | Myron Gordon

Published in Zoologica, in 1944, in volume 29, issue 6, pages 45-48

Created: 2016-11-07, modified: 2025-12-17

doi:10.5962/p.203564

A papillary cystic disease affecting the barbels of Ameirus nebulosus (Le Sueur), caused by the Myxosporidian Henneguya ameiurensis sp. nov.

Authors: R F Nigrelli | G M Smith

Published in Zoologica New York, in 1940, in volume 25, pages 89-96

Created: 2016-07-04, modified: 2025-12-17

doi:10.5962/p.184702

The hematological parameters and blood cell morphology of the brown bullhead catfish, Ictalurus nebulosus (Le Sueur)

Authors: Sheila R Weinberg | Charles D Siegel | Ross F Nigrelli | Albert S Gordon

Published in Zoologica, in 1973, in volume 57, issue 3, pages 71-78

Created: 2016-11-07, modified: 2025-12-17

doi:10.5962/p.203236

A papillomatous disease of the gallbladder associated with infection by flukes, occurring in the marine turtle, Chelonia mydas (Linnaeus)

Authors: G M Smith | C W Coates | R F Nigrelli

Published in Zoologica, in 1941, in volume 26, issue 5, pages 13-16

Created: 2016-11-07, modified: 2025-12-17

doi:10.5962/p.203579

Tissue responses of Cyprinodon variegatus to the myxosporidian parasite, Myxobolus lintoni Gurley

Authors: Ross F Nigrelli | G M Smith

Published in Zoologica, in 1938, in volume 23, issue 7, pages 195-202

Created: 2016-11-07, modified: 2025-12-17

doi:10.5962/p.203657

Preliminary studies of the effects of sulfonamides on fish and Bacterium salmonicida

Authors: Walter L Smith | Ross F Nigrelli

Published in Zoologica, in 1947, in volume 32, issue 14, pages 121-123

Created: 2016-11-07, modified: 2025-12-17

doi:10.5962/p.203538

Fatty degeneration, regenerative hyperplasia and neoplasia in the livers of rainbow trout, Salmo gairdneri

Authors: Ross F Nigrelli | Sophie Jakowska

Published in Zoologica, in 1961, in volume 46, issue 4, pages 49-55

Created: 2016-11-07, modified: 2025-12-17

doi:10.5962/p.203336

Spontaneous neoplasms in fishes. V. Acinar adenocarcinoma of the pancreas in a hybrid platyfish

Authors: Ross F Nigrelli | Myron Gordon

Published in Zoologica, in 1951, in volume 36, issue 6, pages 121-125

Created: 2016-11-07, modified: 2025-12-17

doi:10.5962/p.203476

The morphology, cytology and life-history of Oodinium ocellatum Brown, a dinoflagellate parasite on marine fishes

Authors: Ross F Nigrelli

Published in Zoologica, in 1936, in volume 21, issue 12, pages 129-164

Created: 2016-11-07, modified: 2025-12-17

doi:10.5962/p.203702

Two new species of Trematodes from the deep sea scorpion fish, Scorpaena madurensis Cuv. & Val.

Authors: Ross F Nigrelli

Published in Zoologica New York, in 1940, in volume 25, pages 263-268

Created: 2016-07-04, modified: 2025-12-17

doi:10.5962/p.184705

The effect of thermal acclimation on brain cholinesterase activity of the killifish, Fundulus heteroclitus

Authors: Morris H Baslow | Ross F Nigrelli

Published in Zoologica, in 1964, in volume 49, issue 2, pages 41-51

Created: 2016-11-07, modified: 2025-12-17

doi:10.5962/p.203291

Some tropical fishes as hosts for the metacercaria of Clinostomum complanatum (Rud. 1814) (=C. marginatum Rud. 1819)

Authors: Ross F Nigrelli

Published in Zoologica, in 1936, in volume 21, issue 22, pages 251-256

Created: 2016-11-07, modified: 2025-12-17

doi:10.5962/p.203710

Further studies on the susceptibility and acquired immunity of marine fishes to Epibdella melleni, a monogenetic trematode

Authors: Ross F Nigrelli

Published in Zoologica, in 1937, in volume 22, issue 12, pages 185-192

Created: 2016-11-07, modified: 2025-12-17

doi:10.5962/p.203678

Spontaneous neoplasms in Fishes. VII. A spermatocytoma and renal melanoma in an African lungfish, Protopterus annectens (Owen)

Authors: Ross F Nigrelli | Sophie Jakowska

Published in Zoologica, in 1953, in volume 38, issue 8, pages 109-112

Created: 2016-11-07, modified: 2025-12-17

doi:10.5962/p.203448

The presence of a Myxobacterium, Chondrococcus columnaris (Davis) Ordal and Rucker (1944), on Fundulus heteroclitus (Linn.)

Authors: Ross F Nigrelli | S H Hunter

Published in Zoologica, in 1945, in volume 30, issue 11, pages 101-104

Created: 2016-12-19, modified: 2025-12-17

doi:10.5962/p.210848

The occurrence of leeches, Ozobranchus branchiatus (Menzies), on fibro-epithelial tumors of marine turtles, Chelonia mydas (Linnaeus)

Authors: Ross F Nigrelli | G M Smith

Published in Zoologica, in 1943, in volume 28, issue 14, pages 107-108

Created: 2016-11-07, modified: 2025-12-17

doi:10.5962/p.203558

Studies on lymphocystis disease in the orange filefish, Ceratacanthus schoepfi (Walbaum), from Sandy Hook Bay, N. J

Authors: Ross F Nigrelli | G M Smith

Published in Zoologica, in 1939, in volume 24, issue 9, pages 256-264

Created: 2016-11-23, modified: 2025-12-17

doi:10.5962/p.206620

The Effects of Holothurin, a Steroid Saponin of Animal Origin, on Krebs-2 Ascites Tumors in Swiss Mice

Authors: T D Sullivan | K T L Nigrelli | Ross Nigrelli

Published in Zoologica, in 1955, in volume 40, issue 5, pages 49-52

Created: 2016-11-07, modified: 2025-12-17

doi:10.5962/p.203416

Spontaneous neoplasms in fishes. II. Fibro-carcinoma-like growth in the stomach of Borophryne apogon Regan, a deep-sea ceratioid fish

Authors: Ross F Nigrelli

Published in Zoologica, in 1947, in volume 31, issue 12, pages 183-184

Created: 2016-11-07, modified: 2025-12-17

doi:10.5962/p.203526

The chemical nature of holothurin, a toxic principle from the sea-cucumber (Echinodermata: Holothurioidea)

Authors: Ross F Nigrelli | J D Chanley | S K Kohn | Harry Sobotka

Published in Zoologica, in 1955, in volume 40, issue 4, pages 47-48

Created: 2016-11-07, modified: 2025-12-17

doi:10.5962/p.203415

The pathology of myxosporidiosis in the electric eel, Electrophorus electricus (Linnaeus), caused by Henneguya visceralis and H. electrica spp. nov

Authors: Sophie Jakowska | Ross F Nigrelli

Published in Zoologica, in 1953, in volume 38, issue 16, pages 183-191

Created: 2016-11-07, modified: 2025-12-17

doi:10.5962/p.203454

The effects of holothurin, a steroid saponin from the sea cucumber, on the development of the sea urchin

Authors: George D S J Ruggieri | Ross F Nigrelli

Published in Zoologica, in 1960, in volume 45, issue 1, pages 1-16

Created: 2016-11-07, modified: 2025-12-17

doi:10.5962/p.203349

Prickle cell hyperplasia in the snout of the redhorse sucker (Moxostoma aureolum) associated with an infection by the Myxosporidian Myxobolus moxostomi sp. nov

Authors: Ross F Nigrelli

Published in Zoologica, in 1948, in volume 33, issue 3, pages 43-46

Created: 2016-11-07, modified: 2025-12-17

doi:10.5962/p.203503

Spontaneous tuberculosis in fishes and in other cold-blooded vertebrates with special reference to Mycobacterium fortuitum Cruz from fish and human Lesions

Authors: Ross F Nigrelli | Henry Vogel

Published in Zoologica, in 1963, in volume 48, issue 9, pages 131-144

Created: 2016-11-07, modified: 2025-12-17

doi:10.5962/p.203313

On Sphyrion lumpi (Kroyer), a copepod parasite on the redfish, Sebastes marinus (Linnaeus), with special reference to the host-parasite relationships

Authors: Ross F Nigrelli | Frank E Firth

Published in Zoologica, in 1939, in volume 24, issue 1, pages 1-10

Created: 2016-11-07, modified: 2025-12-17

doi:10.5962/p.203623

The morphology of Renicola philippinensis, n. sp., a digenetic trematode from the pheasant-tailed Jacana, Hydrophasianus chirurgus (Scopoli)

Authors: Horace W Stunkard | Ross F Nigrelli | Charles P Gandal

Published in Zoologica New York, in 1958, in volume 43, pages 105-112

Created: 2016-07-27, modified: 2025-12-17

doi:10.5962/p.190367

Histochemical analyses of the fluid and the solid state of the adhesive materials produced by the pre- and postmetamorphosed Cyprids of Balanus eburneus Gould

Authors: Paul J Cheung | Ross F Nigrelli

Published in Zoologica, in 1973, in volume 57, issue 4, pages 79-95

Created: 2016-11-07, modified: 2025-12-17

doi:10.5962/p.203237

Trichodina spheroidesi and Trichodina halli spp. nov. parasitic on the gills and skin of marine fishes, with special reference to the life-history of T. spheroidesi

Authors: Morton Padnos | Ross F Nigrelli

Published in Zoologica New York, in 1942, in volume 27, pages 65-72

Created: 2016-07-04, modified: 2025-12-17

doi:10.5962/p.184662